As we all know, switching power supplies generally have to design a certain input voltage range, but this range is not as wide as possible, because when the grid input voltage is reduced, the power supply needs to obtain more current from the mains circuit to maintain Voltage output, input voltage is reduced, resulting in an increase in input current. Due to the internal resistance and line consumption of the mains, the supply voltage is getting lower and lower, the vicious cycle, and eventually the grid collapses, which implies a great safety hazard. The result is that some of the components in the switching power supply are subject to overheating and ultimate damage, which is also a catastrophic consequence. Therefore, in order to prevent the above situation from occurring, to protect the power grid and the switching power supply, generally, the undervoltage protection measures are taken in the switching power supply, that is, the undervoltage protection circuit is designed. Obviously, the undervoltage protection circuit sampling signal is the direct rectification voltage of the mains. The circuit is relatively simple, but the effect is significant. When there is a problem in this part of the circuit, the whole power supply will be protectively stopped. To deepen your impression, here are a few examples of repairs encountered in practice.
What is a Capsule Slip Ring?
Capsule slip rings are a type of electrical connector that are used to transfer power and data between two rotating objects. They are commonly used in applications where there is a need to send or receive signals from a stationary object to a rotating one, or vice versa.
How Does it Work?
Capsule slip rings work by using a series of electrical contacts that rotate with the object on which they are mounted. These contacts are spaced evenly around the circumference of the ring, and as they rotate they make and break contact with corresponding contacts on the other object. This allows power and data to be transferred between the two objects without any interruption.
Advantages of Capsule Slip Rings
There are several advantages to using capsule slip rings in place of other types of electrical connectors.
For example, the rotation of the contacts causes them to be freely accessible and therefore free from dust and debris. This makes them ideal for applications where connector maintenance is often a problem.
Because the contacts are freely accessible, they can be readily replaced if a fault occurs. They also have very low electrical resistance, making them ideal for transmitting radio frequency signals. Because of the low resistance, this type of connector is often used in high-speed data transmissions.
This type of Conductive Slip Ring is similar to the shape of a hat. The brim part is a flange with a conductive slip ring. The function of the flange is to facilitate installation. It is connected to electrical equipment through the fixing hole of the flange. It can be firmly installed on the equipment. Therefore, the stator of the cap-type slip ring is generally fixed by the outer layer with a flange, and the inner part is the rotor with the inner shaft rotating. The stator and the rotor are not fixed, and the details will be different according to the installation method.
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